On Wed, Aug 2, 2017 at 1:33 PM, Mukunda Modell mmodell@wikimedia.org wrote:
Due to today's train deployment more than doubling the error rate seen in fatalmonitor[1], I have rolled-back group 1 wikis to wmf.11. I've submitted an UBN task T172320 [2] detailing the error, which appears to be fallout from issues in Wikibase first noticed two weeks ago.
To answer questions regarding what issues will hold back the train and what Release Engineering will do after we've made the decision to hold the train see: https://wikitech.wikimedia.org/wiki/Deployments/Holding_the_train
Greg